Item - Check Valves Check Valve, Flow Design Single, Mechanism and Body Design Inline Spring, Body Material - Valves 316 Stainless Steel, Pipe or Tube Size 2 in, Connection Type FNPT x FNPT, Cracking Pressure 0.5 psi, Mounting Orientation Horizontal, Vertical, Seal Material PTFE, Max. Temp. - Valves 352 Degrees F, Min. Temp. - Valves 0 Degrees F, Max. Water Pressure - Valves 800 psi, Max. Steam Pressure - Valves 125 psi WSP, Seat Material PTFE, Spring Material Stainless Steel